Effect of amorphous silica by rice husk ash on physical properties and microstructures of recycled aluminium chip AA7075

Joharudin, Nurul Farahin Mohd; Latif, Noradila Abdul; Mustapa, Mohammad Sukri; Mansor, Mohamad Norani; Siswanto, Waluyo Adi; Jayaprakash, M.; Yusof, Farazila

doi:10.1002/mawe.201800229

Cited by 16 publications

(14 citation statements)

References 17 publications

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“…The following is the chemical composition of rice husk ash obtained from some representative literatures. [26][27][28][29][30][31][32][33][34][35][36]…”

Section: Chemical Properties Of Rice Husk Ashmentioning

confidence: 99%

Research progress of rice husk ash in solidified soil

et al. 2021

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Rice husk ash is a kind of volcanic ash material with high silicon. This also provides a feasibility for rice husk ash as cement-based auxiliary cementing material. China is rich in rice husk resources, and the rice husk ash is stacked. Using rice husk ash (RHA) instead of traditional cementitious materials can effectively solve the environmental pollution caused by the accumulation of rice husk ash. Domestic and international scholar have added rice husk ash as mineral admixture to concrete, but the utilization rate is very low. In order to increase the added value of rice husk ash, the high silicon property of rice husk ash was used to solidify soil. The application range of solidified soil is wide, the requirements for materials are not high, and the functions are different, which can realize the extensive use of rice husk ash. This paper summarizes the literature on comprehensive utilization of rice husk ash at home and abroad, systematically expounds the physicochemical properties and production process of rice husk ash, introduces the application of rice husk ash in solidified soil, and points out the unsolved problems in this field, which provides a direction for the further development.

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“…The following is the chemical composition of rice husk ash obtained from some representative literatures. [26][27][28][29][30][31][32][33][34][35][36]…”

Section: Chemical Properties Of Rice Husk Ashmentioning

confidence: 99%

Research progress of rice husk ash in solidified soil

et al. 2021

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“…Then, ultrasonic bath apparatus, FRITSCH -ultrasonic cleaner Labarette 17 was used to clean the milled Aluminium chip with duration of 1 hour using an acetone solution to remove oil, grease and any impurities. Lastly, the milled Aluminium chip is drying using drying oven at 75°C temperature in 1 hour to remove the remaining acetone solution from the Aluminium chip [12][13][14][15][16].…”

Section: Preparation Of Chips Aa7075mentioning

confidence: 99%

Effect of Burning Temperature on Rice Husk Silica as Reinforcement of Recycled Aluminium Chip AA7075

Joharudin¹,

Latif²,

Mustapa³

et al. 2020

ARFMTS

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Aluminium recycling is now a well-known technique used in material manufacturing because it consumes less energy and is environmentally friendly. This paper presents the effect of burning temperature on rice husk silica as reinforcement of recycled Aluminium chip AA7075 on physical properties and hardness. Rice husk silica was prepared without any chemical treatments which are original rice husk (O), rice husk ash burned at 700°C (RHA) and calcination of rice husk ash burned at 1000°C (CRHA). Recycled Aluminium chip AA7075 reinforced with rice husk silica i.e., 2.5 wt.%, 5 wt.%, 7.5 wt.%, 10 wt.% and 12.5 wt.% were prepared. Analyses of silica were conducted by using x-ray diffraction (XRD) and x-ray fluorescence (XRF) test. Silica remains to be in amorphous phases for original rice husk and rice husk ash at 700°C. However, at a burning temperature of 1000°C, silica was observed in semi crystalline phase. Porosity and water absorption of composite of metal matrix increased with an increasing the composition of rice husk silica. The hardness of composite of metal matrix improved with increasing rice husk silica, while the hardness of chip AA7075/O and chip AA7075/CRHA decreased with increasing rice husk silica. Based on investigation to Aluminium reinforced rice husk at different burning temperatures, amorphous phase of silica burned at 700°C shows good potential to improve the hardness of material by appropriate composition of rice husk silica.

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“…These novel materials offer great opportunities for advanced material and development. Depending on the application, the characteristics of the metal matrix can be customized to the material [16,17]. Nowadays, many studies on recycled wastes material have been reported owing to the varied application of metal matrix composite.…”

Section: Introductionmentioning

confidence: 99%

Crystalline rice husk silica reinforced AA7075 aluminium chips by cold compaction method

Latif

Joharudin

Mustapa

et al. 2021

Materialwissenschaft Werkst

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Aluminium matrix composite is highly demanded in various industries due to its low density and good mechanical properties as most commonly studied for metal matrix composite. The properties of the composite be improved with the addition of reinforcement significantly such as silicon carbide, aluminium oxide, and boron carbide that can be mixed easily to metal matrix composite. The study of crystalline rice husk silica reinforced AA7075 aluminium chips on mechanical properties were investigated. The rice husk ash was burned at 1200 °C and it was characterized in the crystalline phase by conducting x‐ray diffraction test. The mechanical properties of aluminium matrix composite were obtained by microhardness and compression tests. Results of mechanical properties for the addition of rice husk silica up to 7.5 wt.% composition of crystalline rice husk silica showed increase value of microhardness and compression strength which are the highest value of 75.94 HV 0.1 and 443 MPa, respectively compared to another aluminium matrix composite. Hence, based on investigation to crystalline rice husk silica reinforced aluminium, it has good potential to improve the mechanical properties of aluminium matrix composite which were dependent to the composition of crystalline rice husk silica reinforcement in aluminium matrix composite.

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Effect of amorphous silica by rice husk ash on physical properties and microstructures of recycled aluminium chip AA7075

Cited by 16 publications

References 17 publications

Research progress of rice husk ash in solidified soil

Research progress of rice husk ash in solidified soil

Effect of Burning Temperature on Rice Husk Silica as Reinforcement of Recycled Aluminium Chip AA7075

Crystalline rice husk silica reinforced AA7075 aluminium chips by cold compaction method

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